diff --git a/stylesheets/components/CompositionArea.scss b/stylesheets/components/CompositionArea.scss
index 5c8c0460dab0..1013adf19523 100644
--- a/stylesheets/components/CompositionArea.scss
+++ b/stylesheets/components/CompositionArea.scss
@@ -55,6 +55,8 @@
     align-items: center;
     background: none;
     border: none;
+    width: 32px;
+    height: 32px;
     &::after {
       display: block;
       content: '';